User manual LG A18AHB

[. . . ] You'll find many answers to common problems in the chart of troubleshooting tips. If you review our chart of Troubleshooting Tips first, you may not need to call for service at all. Operating Instructions. . . . . . . . . . . . . . . . . 13 Maintenance and Service . . . . . . . . . . . . 27 PRECAUTION · Contact the authorized service technician for repair or maintenance of this unit. · Contact the installer for installation of this unit. · The air conditioner is not intended for use by young children or invalids without supervision. [. . . ] The unit will respond with a beep. 2 Open the door of the remote controller. To select Healthy Dehumidification Operation, press the Operation Mode Selection button. Each time the button is pressed, the operation mode is shifted in the direction of the arrow. Cooling Auto Healthy Heating Dehumidification (Heat pump model only) 3 ON Set the fan speed again with the door of the remote controller still closed. You can select the fan speed in four steps-low, medium, high, or CHAOS. Each time the button is pressed, the fan speed mode is shifted. Natural wind by the CHAOS logic For fresher feeling, press the Indoor Fan Speed Selector and set to CHAOS mode. In this mode, the wind blows like a natural breeze by automatically changing fan speed according to the CHAOS logic. During Healthy Dehumidification Operation If you select the dehumidification mode on the operation selection button, the A/C starts to run the dehumidification function. and airflow volume to the best condition for dehumidification, based on the sensed current room temp. In this case, however, the setting temp. is not displayed on the remote controller and you are not able to control the room temp. During the healthy dehumidification function, the airflow volume is automatically set according to the optimization algorithm responding to the current room temp. status, so that the room condition is kept healthy and comfortable even in the very humid season. 18 Room Air Conditioner Operating Instructions Heating operation (Heat pump model only) ENGLISH 1 Press the Start/Stop button. Each time the button is pressed, the fan speed mode is shifted. Air purifying operation (PLASMA) can be with cooling, Heating or any other operations. NEO PLASMA Air Purifying Operation only If you press the only PLASMA button, only PLASMA purification function operates. You can select the fan speed in four steps-low, medium, high or CHAOS. Each time the button ( ) is pressed, the fan speed mode is shifted. 22 Room Air Conditioner Operating Instructions 2nd F operation ENGLISH 1 Press the Start/Stop button. The unit will respond with a beep. 2 Open the door of the remote control and press the 2nd Function button to operate functions printed in blue unter buttons. (Check the indication of 2nd function on the display of the remote controller. ) These buttons can set the timer as follows: ON OFF SET CANCEL ON OFF SET AUTO CLEAN 3 2nd function disappears in a short time automatically or when the button is pressed again. For more details, refer to functions next pages. Owner's Manual 23 Operating Instructions Additional Features Sleep mode 1. Press the Sleep Mode Auto button to set the time you want the unit to stop automatically. The Timer is programmed in one-hour increments by pressing the Sleep Mode Auto button 1 to 7 times. The sleep mode is available for 1 to 7 times. To alter the time period in steps of 1 hour, press the Sleep Mode Button while aiming at air conditioner. Make sure the Sleep Mode Auto LED lights up. [. . . ] Check to see if the air filter is clogged with dust. Ensure that the air flow from the outside is not obstructed and that there is a clearance of over 20" between the back of the air conditioner and the wall or fence behind it. Close all doors and windows and check for any source of heat in the room. ENGLISH Before calling for service, please review the following list of common problems and solutions. The air conditioner is operating normally when: · You hear a pinging noise. [. . . ]